The Oklahoma City Police Department first announced that said Michael Winchester, 52, was shot at the airport at 1:12 p.m. local time. Two hours later, it was announced that Winchester, a punter for the Oklahoma Sooners football team from 1984-e86, had died.

“It is with great sorrow that Southwest Airlines confirms that a Southwest employee who was injured during a shooting incident today at Will Rogers World Airport in Oklahoma City has died from injuries. We continue to work with the local authorities investigating this incident. As a result of the police investigation, local flight operations have been halted,” a Southwest Airlines statement said.

The airport handles between 7,000 and 8,000 passengers a day. It serves Alaska, Delta, Southwest and United airlines.